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[All persons without spleen should be given pneumococcal vaccine]
I S Aaberge1, H Nøkleby, L O Frøholm
1Avdeling for vaksine, Statens Institutt for Folkehelse, Oslo.
Summary
Individuals without a spleen face a higher risk of severe infections from encapsulated bacteria like Streptococcus pneumoniae. Vaccination and timely antibiotic use are crucial for preventing pneumococcal sepsis in asplenic patients.
Area of Science:
- Immunology
- Infectious Diseases
- Microbiology
Context:
- Splenectomized individuals are highly susceptible to overwhelming infections.
- Encapsulated bacteria, particularly Streptococcus pneumoniae, pose a significant threat.
- The spleen plays a vital role in clearing these pathogens.
Purpose:
- To outline vaccination and prophylactic strategies for splenectomized individuals.
- To emphasize the importance of monitoring antibody levels and revaccination.
- To recommend early antibiotic intervention for suspected infections.
Summary:
- Splenectomized patients require polyvalent pneumococcal polysaccharide vaccination (PPV) above two years of age.
- Antibody levels should be reassessed 3-5 years post-vaccination, with revaccination for those showing low immunity.
- Prophylactic penicillin V can be prescribed for immediate use pending medical attention.
Impact:
- Improved prevention of severe pneumococcal infections in asplenic populations.
- Reduced morbidity and mortality associated with overwhelming post-splenectomy infection (OPSI).
- Enhanced patient management guidelines for individuals with impaired splenic function.